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-rw-r--r--lib/vtls/openssl.c227
1 files changed, 177 insertions, 50 deletions
diff --git a/lib/vtls/openssl.c b/lib/vtls/openssl.c
index 93faa6f..f6a4bd3 100644
--- a/lib/vtls/openssl.c
+++ b/lib/vtls/openssl.c
@@ -104,13 +104,22 @@
#endif
#if (OPENSSL_VERSION_NUMBER >= 0x10100000L) && /* OpenSSL 1.1.0+ */ \
- !defined(LIBRESSL_VERSION_NUMBER)
+ !(defined(LIBRESSL_VERSION_NUMBER) && \
+ LIBRESSL_VERSION_NUMBER < 0x20700000L)
#define SSLEAY_VERSION_NUMBER OPENSSL_VERSION_NUMBER
#define HAVE_X509_GET0_EXTENSIONS 1 /* added in 1.1.0 -pre1 */
#define HAVE_OPAQUE_EVP_PKEY 1 /* since 1.1.0 -pre3 */
#define HAVE_OPAQUE_RSA_DSA_DH 1 /* since 1.1.0 -pre5 */
#define CONST_EXTS const
#define HAVE_ERR_REMOVE_THREAD_STATE_DEPRECATED 1
+
+/* funny typecast define due to difference in API */
+#ifdef LIBRESSL_VERSION_NUMBER
+#define ARG2_X509_signature_print (X509_ALGOR *)
+#else
+#define ARG2_X509_signature_print
+#endif
+
#else
/* For OpenSSL before 1.1.0 */
#define ASN1_STRING_get0_data(x) ASN1_STRING_data(x)
@@ -128,7 +137,8 @@ static unsigned long OpenSSL_version_num(void)
#endif
#if (OPENSSL_VERSION_NUMBER >= 0x1000200fL) && /* 1.0.2 or later */ \
- !defined(LIBRESSL_VERSION_NUMBER)
+ !(defined(LIBRESSL_VERSION_NUMBER) && \
+ LIBRESSL_VERSION_NUMBER < 0x20700000L)
#define HAVE_X509_GET0_SIGNATURE 1
#endif
@@ -147,7 +157,7 @@ static unsigned long OpenSSL_version_num(void)
* Whether SSL_CTX_set_keylog_callback is available.
* OpenSSL: supported since 1.1.1 https://github.com/openssl/openssl/pull/2287
* BoringSSL: supported since d28f59c27bac (committed 2015-11-19)
- * LibreSSL: unsupported in at least 2.5.1 (explicitly check for it since it
+ * LibreSSL: unsupported in at least 2.7.2 (explicitly check for it since it
* lies and pretends to be OpenSSL 2.0.0).
*/
#if (OPENSSL_VERSION_NUMBER >= 0x10101000L && \
@@ -259,7 +269,9 @@ static void tap_ssl_key(const SSL *ssl, ssl_tap_state_t *state)
if(!session || !keylog_file_fp)
return;
-#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L && \
+ !(defined(LIBRESSL_VERSION_NUMBER) && \
+ LIBRESSL_VERSION_NUMBER < 0x20700000L)
/* ssl->s3 is not checked in openssl 1.1.0-pre6, but let's assume that
* we have a valid SSL context if we have a non-NULL session. */
SSL_get_client_random(ssl, client_random, SSL3_RANDOM_SIZE);
@@ -649,18 +661,28 @@ int cert_stuff(struct connectdata *conn,
case SSL_FILETYPE_PKCS12:
{
- FILE *f;
- PKCS12 *p12;
+ BIO *fp = NULL;
+ PKCS12 *p12 = NULL;
EVP_PKEY *pri;
STACK_OF(X509) *ca = NULL;
- f = fopen(cert_file, "rb");
- if(!f) {
+ fp = BIO_new(BIO_s_file());
+ if(fp == NULL) {
+ failf(data,
+ "BIO_new return NULL, " OSSL_PACKAGE
+ " error %s",
+ ossl_strerror(ERR_get_error(), error_buffer,
+ sizeof(error_buffer)) );
+ return 0;
+ }
+
+ if(BIO_read_filename(fp, cert_file) <= 0) {
failf(data, "could not open PKCS12 file '%s'", cert_file);
+ BIO_free(fp);
return 0;
}
- p12 = d2i_PKCS12_fp(f, NULL);
- fclose(f);
+ p12 = d2i_PKCS12_bio(fp, NULL);
+ BIO_free(fp);
if(!p12) {
failf(data, "error reading PKCS12 file '%s'", cert_file);
@@ -1311,6 +1333,51 @@ static void Curl_ossl_close_all(struct Curl_easy *data)
/* ====================================================== */
+/*
+ * Match subjectAltName against the host name. This requires a conversion
+ * in CURL_DOES_CONVERSIONS builds.
+ */
+static bool subj_alt_hostcheck(struct Curl_easy *data,
+ const char *match_pattern, const char *hostname,
+ const char *dispname)
+#ifdef CURL_DOES_CONVERSIONS
+{
+ bool res = FALSE;
+
+ /* Curl_cert_hostcheck uses host encoding, but we get ASCII from
+ OpenSSl.
+ */
+ char *match_pattern2 = strdup(match_pattern);
+
+ if(match_pattern2) {
+ if(Curl_convert_from_network(data, match_pattern2,
+ strlen(match_pattern2)) == CURLE_OK) {
+ if(Curl_cert_hostcheck(match_pattern2, hostname)) {
+ res = TRUE;
+ infof(data,
+ " subjectAltName: host \"%s\" matched cert's \"%s\"\n",
+ dispname, match_pattern2);
+ }
+ }
+ free(match_pattern2);
+ }
+ else {
+ failf(data,
+ "SSL: out of memory when allocating temporary for subjectAltName");
+ }
+ return res;
+}
+#else
+{
+ if(Curl_cert_hostcheck(match_pattern, hostname)) {
+ infof(data, " subjectAltName: host \"%s\" matched cert's \"%s\"\n",
+ dispname, match_pattern);
+ return TRUE;
+ }
+ return FALSE;
+}
+#endif
+
/* Quote from RFC2818 section 3.1 "Server Identity"
@@ -1410,11 +1477,8 @@ static CURLcode verifyhost(struct connectdata *conn, X509 *server_cert)
if((altlen == strlen(altptr)) &&
/* if this isn't true, there was an embedded zero in the name
string and we cannot match it. */
- Curl_cert_hostcheck(altptr, hostname)) {
+ subj_alt_hostcheck(data, altptr, hostname, dispname)) {
dnsmatched = TRUE;
- infof(data,
- " subjectAltName: host \"%s\" matched cert's \"%s\"\n",
- dispname, altptr);
}
break;
@@ -1725,13 +1789,40 @@ static const char *ssl_msg_type(int ssl_ver, int msg)
case SSL3_MT_CERTIFICATE_STATUS:
return "Certificate Status";
#endif
+#ifdef SSL3_MT_ENCRYPTED_EXTENSIONS
+ case SSL3_MT_ENCRYPTED_EXTENSIONS:
+ return "Encrypted Extensions";
+#endif
+#ifdef SSL3_MT_END_OF_EARLY_DATA
+ case SSL3_MT_END_OF_EARLY_DATA:
+ return "End of early data";
+#endif
+#ifdef SSL3_MT_KEY_UPDATE
+ case SSL3_MT_KEY_UPDATE:
+ return "Key update";
+#endif
+#ifdef SSL3_MT_NEXT_PROTO
+ case SSL3_MT_NEXT_PROTO:
+ return "Next protocol";
+#endif
+#ifdef SSL3_MT_MESSAGE_HASH
+ case SSL3_MT_MESSAGE_HASH:
+ return "Message hash";
+#endif
}
}
return "Unknown";
}
-static const char *tls_rt_type(int type)
+static const char *tls_rt_type(int type, const void *buf, size_t buflen)
{
+ (void)buf;
+ (void)buflen;
+#ifdef SSL3_RT_INNER_CONTENT_TYPE
+ if(type == SSL3_RT_INNER_CONTENT_TYPE && buf && buflen >= 1)
+ type = *(unsigned char *)buf;
+#endif
+
switch(type) {
#ifdef SSL3_RT_HEADER
case SSL3_RT_HEADER:
@@ -1759,10 +1850,7 @@ static void ssl_tls_trace(int direction, int ssl_ver, int content_type,
void *userp)
{
struct Curl_easy *data;
- const char *msg_name, *tls_rt_name;
- char ssl_buf[1024];
char unknown[32];
- int msg_type, txt_len;
const char *verstr = NULL;
struct connectdata *conn = userp;
@@ -1810,6 +1898,10 @@ static void ssl_tls_trace(int direction, int ssl_ver, int content_type,
}
if(ssl_ver) {
+ const char *msg_name, *tls_rt_name;
+ char ssl_buf[1024];
+ int msg_type, txt_len;
+
/* the info given when the version is zero is not that useful for us */
ssl_ver >>= 8; /* check the upper 8 bits only below */
@@ -1819,17 +1911,28 @@ static void ssl_tls_trace(int direction, int ssl_ver, int content_type,
* is at 'buf[0]'.
*/
if(ssl_ver == SSL3_VERSION_MAJOR && content_type)
- tls_rt_name = tls_rt_type(content_type);
+ tls_rt_name = tls_rt_type(content_type, buf, len);
else
tls_rt_name = "";
- msg_type = *(char *)buf;
- msg_name = ssl_msg_type(ssl_ver, msg_type);
+#ifdef SSL3_RT_INNER_CONTENT_TYPE
+ if(content_type == SSL3_RT_INNER_CONTENT_TYPE) {
+ msg_type = 0;
+ msg_name = "[no content]";
+ }
+ else
+#endif
+ {
+ msg_type = *(char *)buf;
+ msg_name = ssl_msg_type(ssl_ver, msg_type);
+ }
txt_len = snprintf(ssl_buf, sizeof(ssl_buf), "%s (%s), %s, %s (%d):\n",
verstr, direction?"OUT":"IN",
tls_rt_name, msg_name, msg_type);
- Curl_debug(data, CURLINFO_TEXT, ssl_buf, (size_t)txt_len, NULL);
+ if(0 <= txt_len && (unsigned)txt_len < sizeof(ssl_buf)) {
+ Curl_debug(data, CURLINFO_TEXT, ssl_buf, (size_t)txt_len, NULL);
+ }
}
Curl_debug(data, (direction == 1) ? CURLINFO_SSL_DATA_OUT :
@@ -2082,8 +2185,7 @@ static CURLcode ossl_connect_step1(struct connectdata *conn, int sockindex)
case CURL_SSLVERSION_TLSv1_2:
case CURL_SSLVERSION_TLSv1_3:
/* it will be handled later with the context options */
-#if (OPENSSL_VERSION_NUMBER >= 0x10100000L) && \
- !defined(LIBRESSL_VERSION_NUMBER)
+#if (OPENSSL_VERSION_NUMBER >= 0x10100000L)
req_method = TLS_client_method();
#else
req_method = SSLv23_client_method();
@@ -2800,7 +2902,7 @@ static CURLcode get_cert_chain(struct connectdata *conn,
ASN1_STRING *a = ASN1_STRING_new();
if(a) {
X509_get0_signature(&psig, &palg, x);
- X509_signature_print(mem, palg, a);
+ X509_signature_print(mem, ARG2_X509_signature_print palg, a);
ASN1_STRING_free(a);
if(palg) {
@@ -3035,7 +3137,8 @@ static CURLcode servercert(struct connectdata *conn,
long lerr, len;
struct Curl_easy *data = conn->data;
X509 *issuer;
- FILE *fp;
+ BIO *fp = NULL;
+ char error_buffer[256]="";
char buffer[2048];
const char *ptr;
long * const certverifyresult = SSL_IS_PROXY() ?
@@ -3046,8 +3149,20 @@ static CURLcode servercert(struct connectdata *conn,
/* we've been asked to gather certificate info! */
(void)get_cert_chain(conn, connssl);
+ fp = BIO_new(BIO_s_file());
+ if(fp == NULL) {
+ failf(data,
+ "BIO_new return NULL, " OSSL_PACKAGE
+ " error %s",
+ ossl_strerror(ERR_get_error(), error_buffer,
+ sizeof(error_buffer)) );
+ BIO_free(mem);
+ return 0;
+ }
+
BACKEND->server_cert = SSL_get_peer_certificate(BACKEND->handle);
if(!BACKEND->server_cert) {
+ BIO_free(fp);
BIO_free(mem);
if(!strict)
return CURLE_OK;
@@ -3077,6 +3192,7 @@ static CURLcode servercert(struct connectdata *conn,
if(SSL_CONN_CONFIG(verifyhost)) {
result = verifyhost(conn, BACKEND->server_cert);
if(result) {
+ BIO_free(fp);
X509_free(BACKEND->server_cert);
BACKEND->server_cert = NULL;
return result;
@@ -3098,35 +3214,35 @@ static CURLcode servercert(struct connectdata *conn,
/* e.g. match issuer name with provided issuer certificate */
if(SSL_SET_OPTION(issuercert)) {
- fp = fopen(SSL_SET_OPTION(issuercert), FOPEN_READTEXT);
- if(!fp) {
+ if(BIO_read_filename(fp, SSL_SET_OPTION(issuercert)) <= 0) {
if(strict)
failf(data, "SSL: Unable to open issuer cert (%s)",
SSL_SET_OPTION(issuercert));
+ BIO_free(fp);
X509_free(BACKEND->server_cert);
BACKEND->server_cert = NULL;
return CURLE_SSL_ISSUER_ERROR;
}
- issuer = PEM_read_X509(fp, NULL, ZERO_NULL, NULL);
+ issuer = PEM_read_bio_X509(fp, NULL, ZERO_NULL, NULL);
if(!issuer) {
if(strict)
failf(data, "SSL: Unable to read issuer cert (%s)",
SSL_SET_OPTION(issuercert));
- X509_free(BACKEND->server_cert);
+ BIO_free(fp);
X509_free(issuer);
- fclose(fp);
+ X509_free(BACKEND->server_cert);
+ BACKEND->server_cert = NULL;
return CURLE_SSL_ISSUER_ERROR;
}
- fclose(fp);
-
if(X509_check_issued(issuer, BACKEND->server_cert) != X509_V_OK) {
if(strict)
failf(data, "SSL: Certificate issuer check failed (%s)",
SSL_SET_OPTION(issuercert));
- X509_free(BACKEND->server_cert);
+ BIO_free(fp);
X509_free(issuer);
+ X509_free(BACKEND->server_cert);
BACKEND->server_cert = NULL;
return CURLE_SSL_ISSUER_ERROR;
}
@@ -3161,6 +3277,7 @@ static CURLcode servercert(struct connectdata *conn,
if(SSL_CONN_CONFIG(verifystatus)) {
result = verifystatus(conn, connssl);
if(result) {
+ BIO_free(fp);
X509_free(BACKEND->server_cert);
BACKEND->server_cert = NULL;
return result;
@@ -3180,6 +3297,7 @@ static CURLcode servercert(struct connectdata *conn,
failf(data, "SSL: public key does not match pinned public key!");
}
+ BIO_free(fp);
X509_free(BACKEND->server_cert);
BACKEND->server_cert = NULL;
connssl->connecting_state = ssl_connect_done;
@@ -3580,25 +3698,34 @@ static CURLcode Curl_ossl_md5sum(unsigned char *tmp, /* input */
unsigned char *md5sum /* output */,
size_t unused)
{
- MD5_CTX MD5pw;
- (void)unused;
- MD5_Init(&MD5pw);
- MD5_Update(&MD5pw, tmp, tmplen);
- MD5_Final(md5sum, &MD5pw);
+ EVP_MD_CTX *mdctx;
+ unsigned int len = 0;
+ (void) unused;
+
+ mdctx = EVP_MD_CTX_create();
+ EVP_DigestInit_ex(mdctx, EVP_md5(), NULL);
+ EVP_DigestUpdate(mdctx, tmp, tmplen);
+ EVP_DigestFinal_ex(mdctx, md5sum, &len);
+ EVP_MD_CTX_destroy(mdctx);
return CURLE_OK;
}
#if (OPENSSL_VERSION_NUMBER >= 0x0090800fL) && !defined(OPENSSL_NO_SHA256)
-static void Curl_ossl_sha256sum(const unsigned char *tmp, /* input */
+static CURLcode Curl_ossl_sha256sum(const unsigned char *tmp, /* input */
size_t tmplen,
unsigned char *sha256sum /* output */,
size_t unused)
{
- SHA256_CTX SHA256pw;
- (void)unused;
- SHA256_Init(&SHA256pw);
- SHA256_Update(&SHA256pw, tmp, tmplen);
- SHA256_Final(sha256sum, &SHA256pw);
+ EVP_MD_CTX *mdctx;
+ unsigned int len = 0;
+ (void) unused;
+
+ mdctx = EVP_MD_CTX_create();
+ EVP_DigestInit_ex(mdctx, EVP_sha256(), NULL);
+ EVP_DigestUpdate(mdctx, tmp, tmplen);
+ EVP_DigestFinal_ex(mdctx, sha256sum, &len);
+ EVP_MD_CTX_destroy(mdctx);
+ return CURLE_OK;
}
#endif
@@ -3623,11 +3750,11 @@ static void *Curl_ossl_get_internals(struct ssl_connect_data *connssl,
const struct Curl_ssl Curl_ssl_openssl = {
{ CURLSSLBACKEND_OPENSSL, "openssl" }, /* info */
- 1, /* have_ca_path */
- 1, /* have_certinfo */
- 1, /* have_pinnedpubkey */
- 1, /* have_ssl_ctx */
- 1, /* support_https_proxy */
+ SSLSUPP_CA_PATH |
+ SSLSUPP_CERTINFO |
+ SSLSUPP_PINNEDPUBKEY |
+ SSLSUPP_SSL_CTX |
+ SSLSUPP_HTTPS_PROXY,
sizeof(struct ssl_backend_data),
generated by cgit v0.12 at 2024-12-28 08:49:30 (GMT)